CN2829771Y - Disposable hard casing enclosed negative pressure sucktion pump - Google Patents

Abstract

The utility model relates to a disposable hard outer shell enclosed negative pressure sucking pump. The design aim of the utility model is to solve the problems and the insufficiencies to provide a totally enclosed cavity body structure with a hard transparent shell body. The negative pressure is regulated and controlled by means of an air bag of an inner sleeve, and the counterflow of drainage liquid is avoided by means of an ingress one-way valve and an egress one-way valve which are connected in a positive and a backward directions in order to realize the synchronous operation of increasing the negative pressure and draining the drainage liquid. The utility model can guarantee a negative pressure suction pump to be free from the influence of outer force; therefore, a patient can walk at will and timely observe the amount and the properties of the drainage liquid. The shell is squeeze-proof; therefore, the utility model is convenient to be carried with convenient use. The suction pump is provided with the shell body which is made of a hard transparent material. A drainage inlet, a discharging opening and plugging covers are arranged at the upper end of the shell body, wherein the plugging covers are used for blocking the drainage inlet and the discharging opening. An inflating opening is arranged at the lower end of the shell body. The inner side of the inflating opening is sheathed with an inflatable rubber air bag in the shell body.

Description

Disposable rigid shell seal formula vacuum suction pump

Technical field

This utility model relates to a kind of disposable vacuum suction pump with Rhizoma Atractylodis Macrocephalae chamber drain auxiliary treatment, and concrete is the architecture advances that adopts rigid closed shell.

Background technology

At present at home in the surgery clinical treatment, for the blood that farthest the art intracavity oozed or liquid drain to the external wound clean that keeps, use has various negative pressure suction devices usually.

Existing negative pressure suction device mainly has a drain spherical structure, the negative pressure of utilizing the recovery elastic force of compressed drain ball outer wall to be produced, realization with art intracavity oozing of blood or sepage drain to spheroid inside, thereby the art cavity tissue is close to mutually, reduce infection rate after abortion operation.

But when stating the negative pressure suction device of structure in the use, its defective and deficiency are comparatively tangible.When carrying the drain ball, the elastic outer wall of drain ball easily deforms under external force as the patient, thereby causes the spheroid pressure inside to change, and has influence on and carries out drain sustainedly and stably; When the drain liquid in the drain ball is expired and need efflux the time, need open gag and push drain ball outer wall, Cao Zuo result more easily makes drain liquid adverse current like this, and negative pressure device inside is vulnerable to pollution; In addition, because the pressure in the drain ball is subject to external force influence, thereby the patient can not arbitrarily walk about when using.

The utility model content

Disposable rigid shell seal formula vacuum suction pump described in the utility model, its purpose of design are to address the above problem with deficiency provides a kind of totally enclosed type cavity body structure with rigid transparent shell, regulates and control negative pressure by the air bag of interior cover.And by forward and reverse connection avoid drain liquid adverse current into and out of check valve, thereby realize to increase negative pressure and discharge the simultaneously operating of drain liquid.Can guarantee that the vacuum suction pump is not subjected to that external force influences, the patient can arbitrarily walk about, can in time observe the amount and the character of drain liquid again, housing is anti-extrusion, be convenient to carry, easy to use.

For realizing above-mentioned purpose of design, described disposable rigid shell seal formula vacuum suction pump has:

The gag that the housing that one rigid transparent material is made, the upper end of this housing are provided with drain inlet, an outlet and are used for shutoff drain inlet and outlet is provided with an inflation inlet in the lower end of housing;

In described enclosure interior, at the inboard sheathed one inflatable rubber pneumatic bag of inflation inlet.

As the disposable rigid shell seal formula vacuum suction pump of above-mentioned structure, its housing can be according to using needs to make different shape.Because housing made by rigid transparent material, thereby the patient can not change because of the external force effect cause the suction pump pressure inside when carrying suction pump and carrying out drain.Medical personnel also can be clear that the quantity and the character of drain liquid, so that in time handle and efflux.

Use described disposable rigid shell seal formula vacuum suction pump:

At first,, and inflate to built-in air bag with drain inlet sealing, open the gag of outlet simultaneously with gag by inflation inlet; At this moment, the air bag that the air between housing and the air bag is inflated extrudes via outlet gradually, occupies the inner space of whole suction pump until air bag;

Then, stop to airbag aeration, the gag that drain enters the mouth is sealed, opened simultaneously to outlet, the drain inlet is connected in drainage tube with gag; At this moment, the retraction elastic force of air bag self produces negative pressure in enclosure interior, and art intracavity oozing of blood or sepage enter the mouth by drain between housing and the air bag via drainage tube, drain.Air bag constantly bounces back, and drain liquid constantly arrives and flows into enclosure interior, collects until drain liquid and finishes or till suction pump is filled.

After suction pump is filled up by drain liquid, only need once more to the air bag inner inflatable, with gag drain is entered the mouth simultaneously and seal, open the gag of outlet, drain this moment liquid will be discharged along outlet, and then suction pump can use by above-mentioned flow process once more.

When discharging drain liquid for assurance, drain liquid can not cause pathogen contamination from the outlet adverse current, can just connect a check valve in described drain porch, and at outlet place reversal connection one check valve.

Particularly, in the drain porch, the outlet of the described check valve that is just connecing is socketed in drain inlet, at the check valve inner chamber seal valve of one socket spring is set, and the import department shutoff relative with seal valve has gag.

Correspondingly with it be that at the outlet place, with the seal valve of the check valve of described reversal connection, shutoff has gag opposite to each other.

Utilize the above-mentioned positive and negative check valve that connects, can realize the drain of single direction automatically, thereby avoid drain liquid adverse current, also can not cause pathogen contamination.

In sum, vacuum suction pump described in the utility model has the following advantages and beneficial effect:

1, described vacuum suction pump adopts rigid transparent shell, thereby can push by external force resistance, regulates negative pressure effectively and carries out drain, and drainage effect is preferable;

2, described vacuum suction pump is easy to carry, and can hang at a plurality of positions, can be convenient to observe the amount and the character of drain liquid again;

3, use described vacuum suction pump, can utilize negative pressure to realize drain and discharge under full closeding state, drain liquid contact with the external world in the whole drain process, thereby has avoided courses of infection, greatly reduce the postoperative infection probability;

4, described vacuum suction pump configuration simple, be easy to apply.

Description of drawings

Fig. 1 is the structural representation of described vacuum suction pump under the unaerated state;

Fig. 2 is the vacuum suction pump configuration figure after the inflation;

Fig. 3 is the one-way valve structures sketch map that is just connecing;

Fig. 4 is the one-way valve structures sketch map of reversal connection.

Have housing 1, drain inlet 11, outlet 12, gag 13, inflation inlet 14 as shown in Figures 1 to 4;

Rubber pneumatic bag 2;

Check valve 3, inner chamber 31, outlet 32, inlet 33, spring 34, seal valve 35, guide rod 36.Check valve 4, inner chamber 41, outlet 42, inlet 43, spring 44, seal valve 45, guide rod 46.

The specific embodiment

Embodiment 1, and as shown in Figures 1 to 4, described disposable rigid shell seal formula vacuum suction pump has the square casing 1 that a rigid transparent plastic is made, and is provided with drain inlet 11 and outlet 12 in the top.

Just connecing a check valve 3 at drain inlet 11, the outlet 32 socket drains inlet 11 of check valve 3, the seal valve 35 of socket spring 34 on the guide rod 36 of inner chamber 31 inside, inlet 33 shutoff relative with seal valve 35 have gag 13.

At outlet 12 reversal connections one check valve 4, the outlet 42 socket outlets 12 of check valve 4, the seal valve 45 of socket spring 44 on the guide rod 46 of inner chamber 41 inside has gag 13 with seal valve 45 inlet 43 shutoff in opposite directions.

Be provided with an inflation inlet 14 in the lower end of housing 1.

At inflation inlet 14 inboard sheathed one inflatable rubber pneumatic bags 2.

Use the suction pump of said structure, use gag 13 respectively, with closed drainage inlet 11 and outlet 12 check valve 3, check valve 4 shutoff.

Use a syringe, inflate to built-in air bag 2 by inflation inlet 14, the air bag 2 that the air between housing 1 and the air bag 2 is inflated extrudes via outlet 12 gradually, occupies the inner space of whole suction pump until air bag 2;

Then, withstand the syringe pintle and stop to air bag 2 inflation, gag 13 is transferred to from check valve 3, drain inlet 11 is connected in drainage tube by check valve 3; The retraction elastic force of air bag 2 self is in the housing 1 inner negative pressure that produces, art intracavity oozing of blood or sepage via drainage tube, drain inlet 11 by drain between housing 1 and the air bag 2.Take off syringe.

Air bag 2 constantly bounces back, and drain liquid constantly arrives and flows into housing 1 inside, collects until drain liquid and finishes or till suction pump is filled.

After suction pump is filled up by drain liquid,, with check valve 3 sealings gag 13 is transferred to from check valve 4 with gag 13, once more to air bag 2 inner inflatable, drain this moment liquid will be discharged along check valve 4, outlet 12, and then suction pump can use by above-mentioned flow process once more.

Employed check valve 3 and check valve 4, in the time of can guaranteeing to discharge drain liquid, drain liquid can not cause pathogen contamination from outlet 12 adverse currents.

Claims (2)

1, a kind of disposable rigid shell seal formula vacuum suction pump, it is characterized in that: have the housing that a rigid transparent material is made, the gag that the upper end of this housing is provided with drain inlet, an outlet and is used for shutoff drain inlet and outlet is provided with an inflation inlet in the lower end of housing;

In described enclosure interior, at the inboard sheathed one inflatable rubber pneumatic bag of inflation inlet.

2, disposable rigid shell seal formula vacuum suction pump according to claim 1 is characterized in that: just connecing a check valve in described drain porch, and at outlet place reversal connection one check valve, promptly

In the drain porch, the outlet of the described check valve that is just connecing is socketed in drain inlet, at the check valve inner chamber seal valve of one socket spring is set, and the import department shutoff relative with seal valve has gag;

Correspondingly with it be that at the outlet place, with the seal valve of the check valve of described reversal connection, shutoff has gag opposite to each other.

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